More than 150 swimmers competed in the preliminaries.
Isaac Loegering, 18, of Crookston competed at the National YMCA Short Course Meet in Greensboro, N.C. Wednesday and finished 24th in the men's 50-yard freestyle with a time of 21.42.
Ryan Held of Springfield, Ill. won the event with a time of 19.92.
Earlier on Wednesday, Loegering qualified for the finals with a time of 21.24 in the preliminaries, which placed him tied for 19th place. More than 150 swimmers competed in the preliminaries.
Loegering will compete in the 100-yard freestyle and 200-yard freestyle relay today and Friday.